package thread;

class MyThread extends Thread
{
    @Override
    public void run() {
        while(true){
            System.out.println("hello threa!");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }

        }
    }
}
public class ThreadDemo1 {
    public static void main(String[] args) {
        Thread t=new MyThread();
        t.start();
        while(true){
            System.out.println("hello main!");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }


        }
    }



}
